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shared.py
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shared.py
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#!/usr/bin/python
#
# shared.py - common functions, classes, and variables for Vcycle
#
# Andrew McNab, Raoul Hidalgo Charman,
# University of Manchester.
# Copyright (c) 2013-9. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
# o Redistributions of source code must retain the above
# copyright notice, this list of conditions and the following
# disclaimer.
# o Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Contacts: [email protected] http://www.gridpp.ac.uk/vcycle/
#
import pprint
import os
import re
import sys
import stat
import glob
import time
import json
import socket
import shutil
import string
import pycurl
import urllib
import random
import base64
import datetime
import StringIO
import tempfile
import calendar
import collections
import ConfigParser
import xml.etree.cElementTree
import vcycle.vacutils
class VcycleError(Exception):
pass
vcycleVersion = None
vacQueryVersion = '01.02' # Has to match shared.py in Vac
spaces = None
maxWallclockSeconds = 0
curlTimeOutSeconds = 90
takeSeconds = 3600 # Take machines abandoned by their manager for 1.00-1.99 hours
class MachineState:
#
# not listed -> starting
# starting -> failed or running or shutdown (if we miss the time when running)
# running -> shutdown
# shutdown -> deleting
# deleting -> not listed or failed
#
# random OpenStack unreliability can require transition to failed at any time
# stopped file created when machine first seen in shutdown, deleting, or failed state
#
unknown, shutdown, starting, running, deleting, failed = ('Unknown', 'Shut down', 'Starting', 'Running', 'Deleting', 'Failed')
class Machine:
def __init__(self, name, spaceName, state, ip, createdTime, startedTime, updatedTime, uuidStr, machinetypeName, zone = None, processors = None):
# Store values from api-specific calling function
self.name = name
self.spaceName = spaceName
self.state = state
self.ip = ip
self.updatedTime = updatedTime
self.uuidStr = uuidStr
self.machinetypeName = machinetypeName
self.zone = zone
if createdTime:
self.createdTime = createdTime
else:
try:
# Try to recreate from created file
self.createdTime = int(self.getFileContents('created'))
except:
pass
if startedTime:
self.startedTime = startedTime
else:
try:
# Try to recreate from started file
self.startedTime = int(self.getFileContents('started'))
except:
if self.state == MachineState.running:
# If startedTime not recorded, then must just have started
self.startedTime = int(time.time())
self.updatedTime = self.createdTime
else:
self.startedTime = None
if not self.updatedTime:
try:
# Try to recreate from updated file
self.updatedTime = int(self.getFileContents('updated'))
except:
pass
if not self.machinetypeName:
# Get machinetype name saved when we requested the machine
try:
self.machinetypeName = self.getFileContents('machinetype_name').strip()
except:
pass
else:
if self.machinetypeName not in spaces[self.spaceName].machinetypes:
self.machinetypeName = None
# if not zone:
# # Try to get zone name saved when we requested the machine
# try:
# f = open('/var/lib/vcycle/machines/' + name + '/zone', 'r')
# except:
# pass
# else:
# self.machinetypeName = f.read().strip()
# f.close()
if processors:
self.processors = processors
else:
try:
self.processors = int(self.getFileContents('jobfeatures/allocated_cpu'))
except:
try:
self.processors = spaces[self.spaceName].machinetypes[self.machinetypeName].min_processors
except:
self.processors = 1
try:
self.hs06 = float(self.getFileContents('jobfeatures/hs06_job'))
hs06Weight = self.hs06
except:
self.hs06 = None
hs06Weight = float(self.processors)
spaces[self.spaceName].totalMachines += 1
spaces[self.spaceName].totalProcessors += self.processors
try:
spaces[self.spaceName].machinetypes[self.machinetypeName].totalMachines += 1
spaces[self.spaceName].machinetypes[self.machinetypeName].totalProcessors += self.processors
if spaces[self.spaceName].machinetypes[self.machinetypeName].target_share > 0.0:
spaces[self.spaceName].machinetypes[self.machinetypeName].weightedMachines += (hs06Weight / spaces[self.spaceName].machinetypes[self.machinetypeName].target_share)
except:
pass
if self.state == MachineState.starting:
try:
spaces[self.spaceName].machinetypes[self.machinetypeName].startingProcessors += self.processors
except:
pass
if self.state == MachineState.running:
try:
if not self.startedTime:
self.startedTime = int(time.time())
self.updatedTime = self.startedTime
spaces[self.spaceName].runningMachines += 1
spaces[self.spaceName].runningProcessors += self.processors
try:
spaces[self.spaceName].machinetypes[self.machinetypeName].runningMachines += 1
spaces[self.spaceName].machinetypes[self.machinetypeName].runningProcessors += self.processors
except:
pass
if self.hs06 is not None:
# We check runningHS06 first in case hs06_per_processor removed from machinetype in config
if spaces[self.spacename].runningHS06 is not None:
spaces[self.spacename].runningHS06 += self.hs06
try:
spaces[self.spaceName].machinetypes[self.machinetypeName].runningHS06 += self.hs06
except:
pass
except:
pass
try:
if self.state == MachineState.starting or \
(self.state == MachineState.running and \
((int(time.time()) - startedTime) < spaces[self.spaceName].machinetypes[self.machinetypeName].fizzle_seconds)):
spaces[self.spaceName].machinetypes[self.machinetypeName].notPassedFizzle += 1
except:
pass
try:
self.manager = self.getFileContents('manager')
except:
self.manager = None
self.managedHere = False
else:
if self.manager == os.uname()[1]:
self.managedHere = True
else:
self.managedHere = False
if self.managedHere:
self.managerHeartbeatTime = int(time.time())
self.setFileContents('manager_heartbeat', str(self.managerHeartbeatTime))
else:
try:
self.managerHeartbeatTime = int(self.getFileContents('manager_heartbeat'))
except:
self.managerHeartbeatTime = None
# Record when the machine started (rather than just being created)
if self.managedHere and self.startedTime and not os.path.isfile(self.machineDir() + '/started'):
self.setFileContents('started', str(self.startedTime))
self.setFileContents('updated', str(self.updatedTime))
try:
self.deletedTime = int(self.getFileContents('deleted'))
except:
self.deletedTime = None
# Set heartbeat time if available
self.getHeartbeatTime()
# Check if the machine already has a stopped timestamp
try:
self.stoppedTime = int(self.getFileContents('stopped'))
except:
if self.managedHere and (self.state == MachineState.shutdown or self.state == MachineState.failed or self.state == MachineState.deleting):
# Record that we have seen the machine in a stopped state for the first time
# If updateTime has the last transition time, presumably it is to being stopped.
# This is certainly a better estimate than using time.time() if available (ie OpenStack)
if not self.updatedTime:
self.updatedTime = int(time.time())
self.setFileContents('updated', str(self.updatedTime))
self.stoppedTime = self.updatedTime
self.setFileContents('stopped', str(self.stoppedTime))
# Record the shutdown message if available
self.getShutdownMessage()
if self.shutdownMessage:
vcycle.vacutils.logLine('Machine ' + name + ' shuts down with message "' + self.shutdownMessage + '"')
try:
shutdownCode = int(self.shutdownMessage.split(' ')[0])
except:
shutdownCode = None
else:
shutdownCode = None
if self.machinetypeName:
# Store last abort time for stopped machines, based on shutdown message code
if shutdownCode and \
(shutdownCode >= 300) and \
(shutdownCode <= 699) and \
(self.stoppedTime > spaces[self.spaceName].machinetypes[self.machinetypeName].lastAbortTime):
vcycle.vacutils.logLine('Set ' + self.spaceName + ' ' + self.machinetypeName + ' lastAbortTime ' + str(self.stoppedTime) +
' due to ' + name + ' shutdown message')
spaces[self.spaceName].machinetypes[self.machinetypeName].setLastAbortTime(self.stoppedTime)
elif self.startedTime and \
(self.stoppedTime > spaces[self.spaceName].machinetypes[self.machinetypeName].lastAbortTime) and \
((self.stoppedTime - self.startedTime) < spaces[self.spaceName].machinetypes[self.machinetypeName].fizzle_seconds):
# Store last abort time for stopped machines, based on fizzle_seconds
vcycle.vacutils.logLine('Set ' + self.spaceName + ' ' + self.machinetypeName + ' lastAbortTime ' + str(self.stoppedTime) +
' due to ' + name + ' fizzle')
spaces[self.spaceName].machinetypes[self.machinetypeName].setLastAbortTime(self.stoppedTime)
if self.startedTime and shutdownCode and (shutdownCode / 100) == 3:
vcycle.vacutils.logLine('For ' + self.spaceName + ':' + self.machinetypeName + ' minimum fizzle_seconds=' +
str(self.stoppedTime - self.startedTime) + ' ?')
# Machine finished messages for APEL and VacMon
self.writeApel()
self.sendMachineMessage()
else:
self.stoppedTime = None
if self.startedTime:
logStartedTimeStr = str(self.startedTime - self.createdTime) + 's'
else:
logStartedTimeStr = '-'
if self.updatedTime:
logUpdatedTimeStr = str(self.updatedTime - self.createdTime) + 's'
else:
logUpdatedTimeStr = '-'
if self.stoppedTime:
logStoppedTimeStr = str(self.stoppedTime - self.createdTime) + 's'
else:
logStoppedTimeStr = '-'
if self.heartbeatTime:
logHeartbeatTimeStr = str(int(time.time()) - self.heartbeatTime) + 's'
else:
logHeartbeatTimeStr = '-'
vcycle.vacutils.logLine('= ' + name + ' in ' +
str(self.spaceName) + ':' +
(self.zone if self.zone else '') + ':' +
str(self.machinetypeName) + ' ' +
str(self.processors) + ' ' + self.ip + ' ' +
self.state + ' ' +
time.strftime("%b %d %H:%M:%S ", time.localtime(self.createdTime)) +
logStartedTimeStr + ':' +
logUpdatedTimeStr + ':' +
logStoppedTimeStr + ':' +
logHeartbeatTimeStr
)
def machineDir(self):
return spaces[self.spaceName].machineDir(self.name)
def getFileContents(self, fileName):
# Get the contents of a file for this machine
return spaces[self.spaceName].getFileContents(self.name, fileName)
def setFileContents(self, fileName, contents, mode = stat.S_IRUSR|stat.S_IWUSR|stat.S_IRGRP):
# Set the contents of a file for the given machine
spaces[self.spaceName].setFileContents(self.name, fileName, contents, mode = mode)
def writeApel(self):
# If the VM just ran for fizzle_seconds, then we don't log it
try:
if (self.stoppedTime - self.startedTime) < spaces[self.spaceName].machinetypes[self.machinetypeName].fizzle_seconds:
return
except:
return
nowTime = time.localtime()
userDN = ''
for component in self.spaceName.split('.'):
userDN = '/DC=' + component + userDN
if hasattr(spaces[self.spaceName].machinetypes[self.machinetypeName], 'accounting_fqan'):
userFQANField = 'FQAN: ' + spaces[self.spaceName].machinetypes[self.machinetypeName].accounting_fqan + '\n'
else:
userFQANField = ''
try:
kb = int(self.getFileContents('jobfeatures/max_rss_bytes')) / 1024
except:
memoryField = ''
else:
memoryField = 'MemoryReal: ' + str(kb) + '\nMemoryVirtual: ' + str(kb) + '\n'
try:
processors = int(self.getFileContents('jobfeatures/allocated_cpu'))
except:
processorsField = ''
else:
processorsField = 'Processors: ' + str(processors) + '\n'
if spaces[self.spaceName].gocdb_sitename:
tmpGocdbSitename = spaces[self.spaceName].gocdb_sitename
else:
tmpGocdbSitename = '.'.join(self.spaceName.split('.')[1:]) if '.' in self.spaceName else self.spaceName
mesg = ('APEL-individual-job-message: v0.3\n' +
'Site: ' + tmpGocdbSitename + '\n' +
'SubmitHost: ' + self.spaceName + '/vcycle-' + os.uname()[1] + '\n' +
'LocalJobId: ' + self.uuidStr + '\n' +
'LocalUserId: ' + self.name + '\n' +
'Queue: ' + self.machinetypeName + '\n' +
'GlobalUserName: ' + userDN + '\n' +
userFQANField +
'WallDuration: ' + str(self.stoppedTime - self.startedTime) + '\n' +
# Can we do better for CpuDuration???
'CpuDuration: ' + str(self.stoppedTime - self.startedTime) + '\n' +
processorsField +
'NodeCount: 1\n' +
'InfrastructureDescription: APEL-VCYCLE\n' +
'InfrastructureType: grid\n' +
'StartTime: ' + str(self.startedTime) + '\n' +
'EndTime: ' + str(self.stoppedTime) + '\n' +
memoryField +
'ServiceLevelType: HEPSPEC\n' +
'ServiceLevel: ' + str(self.hs06 if self.hs06 else 1.0) + '\n' +
'%%\n')
fileName = time.strftime('%H%M%S', nowTime) + str(time.time() % 1)[2:][:8]
try:
os.makedirs(time.strftime('/var/lib/vcycle/apel-archive/%Y%m%d', nowTime), stat.S_IRUSR|stat.S_IWUSR|stat.S_IXUSR|stat.S_IRGRP|stat.S_IXGRP|stat.S_IROTH|stat.S_IXOTH)
except:
pass
try:
vcycle.vacutils.createFile(time.strftime('/var/lib/vcycle/apel-archive/%Y%m%d/', nowTime) + fileName, mesg, stat.S_IRUSR|stat.S_IWUSR|stat.S_IRGRP|stat.S_IROTH, '/var/lib/vcycle/tmp')
except:
vcycle.vacutils.logLine('Failed creating ' + time.strftime('/var/lib/vcycle/apel-archive/%Y%m%d/', nowTime) + fileName)
return
if spaces[self.spaceName].gocdb_sitename:
# We only write to apel-outgoing if gocdb_sitename is set
try:
os.makedirs(time.strftime('/var/lib/vcycle/apel-outgoing/%Y%m%d', nowTime), stat.S_IRUSR|stat.S_IWUSR|stat.S_IXUSR|stat.S_IRGRP|stat.S_IXGRP|stat.S_IROTH|stat.S_IXOTH)
except:
pass
try:
vcycle.vacutils.createFile(time.strftime('/var/lib/vcycle/apel-outgoing/%Y%m%d/', nowTime) + fileName, mesg, stat.S_IRUSR|stat.S_IWUSR|stat.S_IRGRP|stat.S_IROTH, '/var/lib/vcycle/tmp')
except:
vcycle.vacutils.logLine('Failed creating ' + time.strftime('/var/lib/vcycle/apel-outgoing/%Y%m%d/', nowTime) + fileName)
return
def sendMachineMessage(self, cookie = '0'):
if not spaces[self.spaceName].vacmons:
return
timeNow = int(time.time())
if spaces[self.spaceName].gocdb_sitename:
tmpGocdbSitename = spaces[self.spaceName].gocdb_sitename
else:
tmpGocdbSitename = '.'.join(self.spaceName.split('.')[1:]) if '.' in self.spaceName else self.spaceName
if not self.startedTime:
cpuSeconds = 0
elif self.stoppedTime:
cpuSeconds = self.stoppedTime - self.startedTime
elif self.state == MachineState.running:
cpuSeconds = timeNow - self.startedTime
else:
cpuSeconds = 0
messageDict = {
'message_type' : 'machine_status',
'daemon_version' : 'Vcycle ' + vcycleVersion + ' vcycled',
'vacquery_version' : 'VacQuery ' + vacQueryVersion,
'cookie' : cookie,
'space' : self.spaceName,
'site' : tmpGocdbSitename,
'factory' : os.uname()[1],
'num_machines' : 1,
'time_sent' : timeNow,
'machine' : self.name,
'state' : self.state,
'uuid' : self.uuidStr,
'created_time' : self.createdTime,
'started_time' : self.startedTime,
'heartbeat_time' : self.heartbeatTime,
'num_processors' : self.processors,
'cpu_seconds' : cpuSeconds,
'cpu_percentage' : 100.0,
'machinetype' : self.machinetypeName
}
if self.hs06:
messageDict['hs06'] = self.hs06
try:
messageDict['fqan'] = spaces[self.spaceName].machinetypes[machinetypeName].accounting_fqan
except:
pass
try:
messageDict['shutdown_message'] = self.shutdownMessage
except:
pass
try:
messageDict['shutdown_time'] = self.shutdownMessageTime
except:
pass
messageJSON = json.dumps(messageDict)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
for vacmonHostPort in spaces[self.spaceName].vacmons:
(vacmonHost, vacmonPort) = vacmonHostPort.split(':')
vcycle.vacutils.logLine('Sending VacMon machine finished message to %s:%s' % (vacmonHost, vacmonPort))
sock.sendto(messageJSON, (vacmonHost,int(vacmonPort)))
sock.close()
def getShutdownMessage(self):
try:
self.shutdownMessage = self.getFileContents('joboutputs/shutdown_message').strip()
self.shutdownMessageTime = int(os.stat(self.machineDir() + '/joboutputs/shutdown_message').st_ctime)
except:
self.shutdownMessage = None
self.shutdownMessageTime = None
def getHeartbeatTime(self):
# No valid machinetype (probably removed from configuration)
if not self.machinetypeName:
self.heartbeatTime = None
return
try:
self.heartbeatTime = int(os.stat(self.machineDir() + '/joboutputs/' + spaces[self.spaceName].machinetypes[self.machinetypeName].heartbeat_file).st_ctime)
except:
self.heartbeatTime = None
class Machinetype:
def __init__(self, spaceName, spaceFlavorNames, machinetypeName, parser, machinetypeSectionName):
global maxWallclockSeconds
self.spaceName = spaceName
self.machinetypeName = machinetypeName
# Recreate lastAbortTime (must be set/updated with setLastAbortTime() to create file)
try:
f = open('/var/lib/vcycle/shared/last_abort_times/' + self.spaceName + '/' + self.machinetypeName, 'r')
except:
self.lastAbortTime = 0
else:
self.lastAbortTime = int(f.read().strip())
f.close()
# Always set machinetype_path, saved in vacuum pipe processing or default using machinetype name
try:
self.machinetype_path = parser.get(machinetypeSectionName, 'machinetype_path')
except:
self.machinetype_path = '/var/lib/vcycle/spaces/' + self.spaceName + '/machinetypes/' + self.machinetypeName
try:
self.root_image = parser.get(machinetypeSectionName, 'root_image')
except:
self.root_image = None
try:
self.cernvm_signing_dn = parser.get(machinetypeSectionName, 'cernvm_signing_dn')
except:
self.cernvm_signing_dn = None
if parser.has_option(machinetypeSectionName, 'flavor_name'):
vcycle.vacutils.logLine('Option flavor_name is deprecated, please use flavor_names!')
try:
self.flavor_names = parser.get(machinetypeSectionName, 'flavor_name').strip().split()
except:
self.flavor_names = spaceFlavorNames
else:
try:
self.flavor_names = parser.get(machinetypeSectionName, 'flavor_names').strip().split()
except:
self.flavor_names = spaceFlavorNames
try:
self.min_processors = int(parser.get(machinetypeSectionName, 'cpu_per_machine'))
except:
pass
else:
vcycle.vacutils.logLine('cpu_per_machine is deprecated - please use min_processors')
try:
self.min_processors = int(parser.get(machinetypeSectionName, 'processors_per_machine'))
except:
pass
else:
vcycle.vacutils.logLine('processors_per_machine is deprecated - please use min_processors')
try:
self.min_processors = int(parser.get(machinetypeSectionName, 'min_processors'))
except Exception as e:
self.min_processors = 1
try:
self.max_processors = int(parser.get(machinetypeSectionName, 'max_processors'))
except Exception as e:
self.max_processors = None
if self.max_processors is not None and self.max_processors < self.min_processors:
raise VcycleError('max_processors cannot be less than min_processors!')
try:
self.disk_gb_per_processor = int(parser.get(machinetypeSectionName, 'disk_gb_per_processor'))
except Exception as e:
self.disk_gb_per_processor = None
try:
self.root_public_key = parser.get(machinetypeSectionName, 'root_public_key')
except:
self.root_public_key = '/root/.ssh/id_rsa.pub'
if not os.path.exists(self.root_public_key):
self.root_public_key = None
try:
if parser.has_option(machinetypeSectionName, 'processors_limit'):
self.processors_limit = int(parser.get(machinetypeSectionName, 'processors_limit'))
else:
self.processors_limit = None
except Exception as e:
raise VcycleError('Failed to parse processors_limit in [' + machinetypeSectionName + '] (' + str(e) + ')')
if parser.has_option(machinetypeSectionName, 'max_starting_processors'):
try:
self.max_starting_processors = int(parser.get(machinetypeSectionName, 'max_starting_processors'))
except Exception as e:
raise VcycleError('Failed to parse max_starting_processors in [' + machinetypeSectionName + '] (' + str(e) + ')')
else:
self.max_starting_processors = self.processors_limit
try:
self.backoff_seconds = int(parser.get(machinetypeSectionName, 'backoff_seconds'))
except Exception as e:
raise VcycleError('backoff_seconds is required in [' + machinetypeSectionName + '] (' + str(e) + ')')
try:
self.fizzle_seconds = int(parser.get(machinetypeSectionName, 'fizzle_seconds'))
except Exception as e:
raise VcycleError('fizzle_seconds is required in [' + machinetypeSectionName + '] (' + str(e) + ')')
try:
if parser.has_option(machinetypeSectionName, 'max_wallclock_seconds'):
self.max_wallclock_seconds = int(parser.get(machinetypeSectionName, 'max_wallclock_seconds'))
else:
self.max_wallclock_seconds = 86400
if self.max_wallclock_seconds > maxWallclockSeconds:
maxWallclockSeconds = self.max_wallclock_seconds
except Exception as e:
raise VcycleError('max_wallclock_seconds is required in [' + machinetypeSectionName + '] (' + str(e) + ')')
if parser.has_option(machinetypeSectionName, 'x509dn'):
vcycle.vacutils.logLine('x509dn in [' + machinetypeSectionName + '] is deprecated - please use https_x509dn')
self.https_x509dn = parser.get(machinetypeSectionName, 'x509dn')
else:
try:
self.https_x509dn = parser.get(machinetypeSectionName, 'https_x509dn')
except:
self.https_x509dn = None
# The heartbeat and joboutputs options should cause errors if x509dn isn't given!
try:
self.heartbeat_file = parser.get(machinetypeSectionName, 'heartbeat_file')
except:
self.heartbeat_file = None
try:
if parser.has_option(machinetypeSectionName, 'heartbeat_seconds'):
self.heartbeat_seconds = int(parser.get(machinetypeSectionName, 'heartbeat_seconds'))
else:
self.heartbeat_seconds = None
except Exception as e:
raise VcycleError('Failed to parse heartbeat_seconds in [' + machinetypeSectionName + '] (' + str(e) + ')')
try:
s = parser.get(machinetypeSectionName, 'cvmfs_proxy_machinetype')
except:
self.cvmfsProxyMachinetype = None
self.cvmfsProxyMachinetypePort = None
else:
if ':' in s:
try:
self.cvmfsProxyMachinetype = s.split(':')[0]
self.cvmfsProxyMachinetypePort = int(s.split(':')[1])
except:
raise VcycleError('Failed to parse cmvfs_proxy_machinetype = ' + s + ' in [' + machinetypeSectionName + '] (' + str(e) + ')')
else:
self.cvmfsProxyMachinetype = s
self.cvmfsProxyMachinetypePort = 280
# All the options for saving joboutputs and remote joboutputs are deprecated now
# remote volumes can be used for /var/lib/vcycle/shared/machines/SPACENAME/deleted
if parser.has_option(machinetypeSectionName, 'log_joboutputs'):
vcycle.vacutils.logLine('log_joboutputs is deprecated.')
if parser.has_option(machinetypeSectionName, 'log_machineoutputs'):
vcycle.vacutils.logLine('log_machineoutputs is deprecated.')
if parser.has_option(machinetypeSectionName, 'machineoutputs_days'):
vcycle.vacutils.logLine('machineoutputs_days is deprecated.')
if parser.has_option(machinetypeSectionName, 'joboutputs_days'):
vcycle.vacutils.logLine('joboutputs_days is deprecated.')
if parser.has_option(machinetypeSectionName, 'remote_joboutputs_url'):
vcycle.vacutils.logLine('remote_joboutputs_url is deprecated.')
if parser.has_option(machinetypeSectionName, 'remote_joboutputs_cert'):
vcycle.vacutils.logLine('remote_joboutputs_cert is deprecated.')
if parser.has_option(machinetypeSectionName, 'remote_joboutputs_key'):
vcycle.vacutils.logLine('remote_joboutputs_key is deprecated.')
if parser.has_option(machinetypeSectionName, 'accounting_fqan'):
self.accounting_fqan = parser.get(machinetypeSectionName, 'accounting_fqan')
try:
self.rss_bytes_per_processor = 1048576 * int(parser.get(machinetypeSectionName, 'mb_per_processor'))
except:
# If not set explicitly, defaults to 2048 MB per processor
self.rss_bytes_per_processor = 2147483648
if parser.has_option(machinetypeSectionName, 'hs06_per_processor'):
try:
self.hs06_per_processor = float(parser.get(machinetypeSectionName, 'hs06_per_processor'))
except Exception as e:
VcycleError('Failed to parse hs06_per_processor in [' + machinetypeSectionName + '] (' + str(e) + ')')
else:
self.runningHS06 = 0.0
else:
self.hs06_per_processor = None
self.runningHS06 = None
try:
self.user_data = parser.get(machinetypeSectionName, 'user_data')
except Exception as e:
raise VcycleError('user_data is required in [' + machinetypeSectionName + '] (' + str(e) + ')')
try:
if parser.has_option(machinetypeSectionName, 'target_share'):
self.target_share = float(parser.get(machinetypeSectionName, 'target_share'))
else:
self.target_share = 0.0
except Exception as e:
raise VcycleError('Failed to parse target_share in [' + machinetypeSectionName + '] (' + str(e) + ')')
# self.options will be passed to vacutils.createUserData()
self.options = {}
for (oneOption, oneValue) in parser.items(machinetypeSectionName):
if (oneOption[0:17] == 'user_data_option_') or (oneOption[0:15] == 'user_data_file_'):
if string.translate(oneOption, None, '0123456789abcdefghijklmnopqrstuvwxyz_') != '':
raise VcycleError('Name of user_data_xxx (' + oneOption + ') must only contain a-z 0-9 and _')
else:
self.options[oneOption] = oneValue
if parser.has_option(machinetypeSectionName, 'user_data_proxy_cert') or \
parser.has_option(machinetypeSectionName, 'user_data_proxy_key') :
vcycle.vacutils.logLine('user_data_proxy_cert and user_data_proxy_key are deprecated. Please use user_data_proxy = True and create x509cert.pem and x509key.pem!')
if parser.has_option(machinetypeSectionName, 'user_data_proxy') and \
parser.get(machinetypeSectionName,'user_data_proxy').lower() == 'true':
self.options['user_data_proxy'] = True
else:
self.options['user_data_proxy'] = False
if parser.has_option(machinetypeSectionName, 'legacy_proxy') and \
parser.get(machinetypeSectionName, 'legacy_proxy').lower() == 'true':
self.options['legacy_proxy'] = True
else:
self.options['legacy_proxy'] = False
# Just for this instance, so Total for this machinetype in one space
self.totalMachines = 0
self.totalProcessors = 0
self.startingProcessors = 0
self.runningMachines = 0
self.runningProcessors = 0
self.weightedMachines = 0.0
self.notPassedFizzle = 0
def setLastAbortTime(self, abortTime):
if abortTime > self.lastAbortTime:
self.lastAbortTime = abortTime
try:
os.makedirs('/var/lib/vcycle/shared/last_abort_times/' + self.spaceName,
stat.S_IWUSR + stat.S_IXUSR + stat.S_IRUSR + stat.S_IXGRP + stat.S_IRGRP + stat.S_IXOTH + stat.S_IROTH)
except:
pass
vcycle.vacutils.createFile('/var/lib/vcycle/shared/last_abort_times/' + self.spaceName + '/' + self.machinetypeName,
str(abortTime), tmpDir = '/var/lib/vcycle/shared/tmp')
def makeMachineName(self):
"""Construct a machine name including the machinetype"""
while True:
machineName = 'vcycle-' + self.machinetypeName + '-' + ''.join(random.choice(string.ascii_lowercase + string.digits) for _ in range(10))
if not os.path.exists(spaces[self.spaceName].machineDir(machineName)):
break
vcycle.vacutils.logLine('New random machine name ' + machineName + ' already exists! Trying another name ...')
return machineName
class BaseSpace(object):
def __init__(self, api, apiVersion, spaceName, parser, spaceSectionName, updatePipes):
self.api = api
self.apiVersion = apiVersion
self.spaceName = spaceName
self.processors_limit = None
self.totalMachines = 0
# totalProcessors includes ones Vcycle doesn't manage
self.totalProcessors = 0
self.runningMachines = 0
self.runningProcessors = 0
self.runningHS06 = None
self.zones = None
self.maxStartingSeconds = 3600
self.shutdownTime = None
if parser.has_option(spaceSectionName, 'max_processors'):
vcycle.vacutils.logLine('max_processors (in space ' + spaceName + ') is deprecated - please use processors_limit')
try:
self.processors_limit = int(parser.get(spaceSectionName, 'max_processors'))
except:
raise VcycleError('Failed to parse max_processors in [space ' + spaceName + '] (' + str(e) + ')')
elif parser.has_option(spaceSectionName, 'processors_limit'):
try:
self.processors_limit = int(parser.get(spaceSectionName, 'processors_limit'))
except Exception as e:
raise VcycleError('Failed to parse processors_limit in [space ' + spaceName + '] (' + str(e) + ')')
try:
self.flavor_names = parser.get(spaceSectionName, 'flavor_names').strip().split()
except:
self.flavor_names = []
try:
self.volume_gb_per_processor = int(parser.get(spaceSectionName, 'volume_gb_per_processor'))
except:
self.volume_gb_per_processor = 0
if parser.has_option(spaceSectionName, 'shutdown_time'):
try:
self.shutdownTime = int(parser.get(spaceSectionName,
'shutdown_time'))
except Exception as e:
raise VcycleError('Failed to check parse shutdown_time in ['
+ spaceSectionName + '] (' + str(e) + ')')
# First go through the vacuum_pipe sections for this space, creating
# machinetype sections in the configuration on the fly
for vacuumPipeSectionName in parser.sections():
try:
(sectionType, spaceTemp, machinetypeNamePrefix) = vacuumPipeSectionName.lower().split(None,2)
except:
continue
if spaceTemp != spaceName or sectionType != 'vacuum_pipe':
continue
try:
self._expandVacuumPipe(parser, vacuumPipeSectionName, machinetypeNamePrefix, updatePipes)
except Exception as e:
raise VcycleError('Failed expanding vacuum pipe [' + vacuumPipeSectionName + ']: ' + str(e))
# Now go through the machinetypes for this space in the configuration,
# possibly including ones created from vacuum pipes
self.machinetypes = {}
for machinetypeSectionName in parser.sections():
try:
(sectionType, spaceTemp, machinetypeName) = machinetypeSectionName.lower().split(None,2)
except:
continue
if sectionType != 'machinetype' or spaceTemp != spaceName:
continue
if string.translate(machinetypeName, None, '0123456789abcdefghijklmnopqrstuvwxyz-') != '':
raise VcycleError('Name of machinetype in [machinetype ' + spaceName + ' ' + machinetypeName + '] can only contain a-z 0-9 or -')
try:
self.machinetypes[machinetypeName] = Machinetype(spaceName, self.flavor_names, machinetypeName, parser, machinetypeSectionName)
except Exception as e:
raise VcycleError('Failed to initialize [machinetype ' + spaceName + ' ' + machinetypeName + '] (' + str(e) + ')')
if self.runningHS06 is None and self.machinetypes[machinetypeName].hs06_per_processor is not None:
self.runningHS06 = 0.0
if len(self.machinetypes) < 1:
raise VcycleError('No machinetypes defined for space ' + spaceName + ' - each space must have at least one machinetype!')
# Start new curl session for this instance
self.curl = pycurl.Curl()
self.token = None
# Dictionary of all the Vcycle-created VMs in this space: None in case failed to connect and do scan successfully
self.machines = None
# Dictionary of all the Vcycle-created volumes in this space
self.volumes = None
def _expandVacuumPipe(self, parser, vacuumPipeSectionName, machinetypeNamePrefix, updatePipes):
""" Read configuration settings from a vacuum pipe """
acceptedOptions = [
'accounting_fqan',
'backoff_seconds',
'cache_seconds',
'cvmfs_repositories',
'fizzle_seconds',
'heartbeat_file',
'heartbeat_seconds',
'image_signing_dn',
'legacy_proxy',
'machine_model',
'max_processors',
'max_wallclock_seconds',
'min_processors',
'min_wallclock_seconds',
'root_device',
'root_image',
'scratch_device',
'suffix',
'target_share',
'user_data',
'user_data_proxy'
]
try:
vacuumPipeURL = parser.get(vacuumPipeSectionName, 'vacuum_pipe_url')
except:
raise VcycleError('Section vacuum_pipe ' + machinetypeNamePrefix + ' in space ' + spaceName + ' has no vacuum_pipe_url option!')
# This is the total in the local configuation, for this pipe and its machinetypes
try:
totalTargetShare = float(parser.get(vacuumPipeSectionName, 'target_share').strip())
except:
totalTargetShare = 0.0
try:
vacuumPipe = vcycle.vacutils.readPipe('/var/lib/vcycle/pipescache',
vacuumPipeURL,
'vcycle ' + vcycleVersion,
updatePipes = updatePipes)
except Exception as e:
raise VcycleError(vacuumPipeURL + ' given but failed reading/updating the pipe: ' + str(e))
# This is the total in the remote pipe file, for the machinetypes it defines
totalPipeTargetShare = 0.0
# First pass to get total target shares in the remote vacuum pipe
for pipeMachinetype in vacuumPipe['machinetypes']:
try:
totalPipeTargetShare += float(pipeMachinetype['target_share'])
except:
pass
# Second pass to add options to the relevant machinetype sections
for pipeMachinetype in vacuumPipe['machinetypes']:
if 'machine_model' in pipeMachinetype and str(pipeMachinetype['machine_model']) not in ['cernvm3','vm-raw']:
vcycle.vacutils.logLine("Not a supported machine_model: %s - skipping!" % str(pipeMachinetype['machine_model']))
continue
try:
suffix = str(pipeMachinetype['suffix'])
except:
vcycle.vacutils.logLine("suffix is missing from one machinetype within " + vacuumPipeURL + " - skipping!")
continue
try:
parser.add_section('machinetype ' + self.spaceName + ' ' + machinetypeNamePrefix + '-' + suffix)
except:
# Ok if it already exists
pass
# Copy almost all options from vacuum_pipe section to this new machinetype